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Finding the Fourth Proportional to 61,746.16, 85,211.31 and 37,859.08

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Solution

The fourth proportional to 61,746.16, 85,211.31 and 37,859.08 is: 52,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,746.16 : 85,211.31 = 37,859.08 : x
  2. Step 2: Convert to fraction form
    61,746.16/85,211.31 = 37,859.08/x
  3. Step 3: Cross multiply
    61,746.16x = 85,211.31 × 37,859.08
  4. Step 4: Simplify right side
    61,746.16x = 3,226,021,802.19
  5. Step 5: Solve for x
    x = 3,226,021,802.19/61,746.16
  6. Step 6: Final answer
    x = 52,246.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.